ActionResponse.php

gistfile1.txt

<?php

class ActionResponse implements \JsonSerializable, \IteratorAggregate
{
    public string $status = 'ok';
    public int $retcode = 0;

    /**
     * @var mixed
     */
    public $data = [];
    public string $message = '';

    /**
     * @var mixed
     */
    public $echo = null;
    public static function create($echo = null): ActionResponse
    {
        $a = new self();
        if ($echo !== null) {
            $a->echo = $echo->echo;
        }
        return $a;
    }
    public function ok($data = []): ActionResponse
    {
        $this->status = 'ok';
        $this->retcode = 0;
        $this->data = $data;
        $this->message = '';
        return $this;
    }
    /**
     */
    #[\ReturnTypeWillChange]
    public function getIterator(): \ArrayIterator
    {
        return new \ArrayIterator($this->jsonSerialize());
    }
    public function jsonSerialize(): array
    {
        $data = [];
        foreach ($this as $k => $v) {
            echo "循环到 $k => $v\n";
            if ($k === 'echo' && $v === null) {
                continue;
            }
            $data[$k] = $v;
        }
        return $data;
    }
}
$res = ActionResponse::create()->ok();
var_dump($res->getIterator());